"Ichthyophthalmite" is a medical term used to describe an infection of the eye caused by skin parasites from fish. The spelling of this word can be broken down phonetically as [ɪkθiɵfˈθælmɪt]. The first part, "ichthy," is derived from the Greek word for fish, while "ophthalmite" refers to inflammation of the eye. The combination of these two parts, along with the silent "p," gives us the unique spelling of "ichthyophthalmite." Pronouncing each syllable clearly in the IPA transcription helps to understand the word's meaning and origin.
Ichthyophthalmite is a rare mineral that belongs to the phosphate mineral group. It is a hydrated copper iron phosphate and has the chemical formula of (Cu,Fe)(PO4)•2(H2O). It typically crystallizes in the orthorhombic system and forms prismatic crystals, but it can also occur as nodules or earthy masses.
The name "ichthyophthalmite" is derived from the Greek words "ichthyo" meaning fish and "ophthalmos" meaning eye, which alludes to its characteristic color and appearance. It is primarily found in oxidized copper deposits and is often associated with other copper minerals such as azurite, malachite, and chrysocolla.
Ichthyophthalmite is usually characterized by its distinct vibrant blue-green color, which resembles the glistening scales of certain fish. It has a vitreous to dull luster and a pale blue streak. Its hardness ranges from 3.5 to 4.5 on the Mohs scale, indicating that it is a relatively soft mineral.
Although ichthyophthalmite is not widely used in any specific industry, its unique color and rarity make it sought after by collectors and mineral enthusiasts. Due to its scarcity, large specimens of ichthyophthalmite are considered valuable and can command high prices on the mineral market.
In summary, ichthyophthalmite is a striking mineral with a distinct blue-green color. It is primarily found in copper deposits and is coveted by collectors for its rarity and aesthetic appeal.
Fish-eye-stone; a variety of pyramidal zeolite, having a peculiar pearly lustre.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "Ichthyophthalmite" is derived from two Greek roots. "Ichthyo" is derived from the Greek word "ichthys", meaning "fish", while "ophthalmos" means "eye" in Greek. The suffix "-ite" is commonly used in mineral names to refer to a mineral or rock. Therefore, "Ichthyophthalmite" refers to a mineral related to fish eyes.